Eagle-eyed technical experts prove there is no such thing as a perfect crime as they assemble the pieces every criminal leaves behind. Dramatic crime re-creations and, sometimes, part of the investigations are a staple of the series. Some of the re-creations include alternate versions of the crimes, which are disproved by science. The show's episodes follow each case from the initial investigation until it reaches its legal resolution.

CNN is by and large still a cable news outlet, but a movement under the leadership of network president Jeff Zucker to provide more alternative, entertainment-based programming is clearly afoot, and "Death Row Stories" is a prime example. The documentary -- the result of a collaboration with Academy Award-winning directors Robert Redford ("Ordinary People") and Alex Gibney ("Taxi to the Dark Side") -- revisits compelling capital murder cases in the U.S., detailing the twists and turns involved in each as a thought-provoking exercise on the death penalty and the American justice system. Redford's Sundance Productions also partnered with CNN for the documentary series "Chicagoland."

BD Wong is not a doctor, although he played one on TV -- forensic psychiatrist/criminal profiler Dr. George Huang on "Law and Order: SVU." So he's familiar with complicated cases and digging deep for proper diagnoses, both of which play into his role as host of "Something's Killing Me." The HLN original production is a six-part documentary series that examines puzzling diseases and symptoms that result in near-death struggles. Featuring re-enactments, each hourlong episode tells actual stories of how doctors, scientists and, in some cases, federal investigators race against time to discover what or who is killing a patient. Included are interviews with victims, their families and doctors.

5-year-old Haleigh Cummings disappears from her home after her dad's girlfriend puts her to bed. Was Haleigh abducted or did something else happen?

Murder cases involving wives who are found murdered.

Chris Cuomo explores the psyche of criminal offenders and the impact of nature vs. nurture on their violent behavior.

A deadly teen rivalry. A scorned lover willing to kill. A quick-rich scheme gone bad. The true-life mysteries detailed in this series are about revenge, betrayal and murder carried out by the people seemingly most trusted by each of the victims -- their lovers. The cases, dramatized via re-enactments, focus on the criminal's motive, and explore how the victim and lover met, the deepening relationship, the perceived betrayal and the obsession that led to the deadly act. Each hourlong episode takes viewers though all of the twists and turns that culminate in arrests, verdicts and justice.

Host Donnie Wahlberg chronicles the twisted lives of diabolical criminals, such as Charles Manson, Aileen Wuornos, John Wayne Gacy, the Rev. Jim Jones, and others.

From the team behind CNN's highly rated original series "Finding Jesus" comes "Beyond Reasonable Doubt," an unscripted offering designed to broaden HLN's true crime audience. The hourlong series takes viewers deep inside the world of crime fighting through high-profile criminal cases that were ultimately solved by advances in forensic science or technology. Driven by first-person storytelling, episodes feature the lead detectives of each case and a supporting cast of forensic scientists who highlight how technology is changing the face of criminal investigations.

Van Jones wants forgiveness, grace and empathy to be at the forefront of criminal justice reform. The social entrepreneur/CNN political contributor created "The Redemption Project" as a step in that direction, an "attempt to put some medicine into our very sick system," he says. The eight-part series offers a rare glimpse into the restorative justice process, with each episode following the victim, or surviving family members, of a life-altering crime as they journey to meet face-to-face with their offender in the hopes of finding answers or some sense of healing. Jones serves as a guide for viewers throughout the transformational process.

Victims' rights activist John Walsh returns to weekly TV as host of a documentary-style investigation series. Walsh details stories of ongoing cases involving fugitives, with the intent of expanding searches outside the United States. Interviews with victims, loved ones and law enforcement accompany new leads in each hourlong episode, giving the public information to facilitate the capture of suspects. Walsh, a spokesman for the National Center for Missing & Exploited Children, hosted the series "America's Most Wanted" for 25 years, helping apprehend more than 1,200 criminals.

Is one of America's most prolific uncaught serial killers still alive, and will a new $50,000 reward finally help collar the sadistic criminal? Now known as the Golden State Killer and responsible for at least 12 murders in California, the man investigators have sought for 40 years may be linked to another series of unsolved crimes, raising a key to perhaps solving the case. This five-part docuseries is an in-depth look at the manhunt, patterns, escape methods and mind games of the killer. It also includes interviews with investigators, law enforcement and victims, who offer information to help solve the mystery of a man who has managed to escape justice for decades.

Wondering how the events really happened, HLN's original series revisits and reveals new answers to notorious crimes, mysteries, trials, and celebrity tragedies. The premiere delves into the sensational trial of brothers Lyle and Erik Menendez, including the shocking motive for the brutal murders of their wealthy parents. From there, episodes dissect new clues and re-examine conspiracy theories connected to, among others, the John F. Kennedy Jr. plane crash, the deaths of music royalty Prince, Michael Jackson and Whitney Houston, and the FBI's investigation of "Unabomber" Ted Kaczynski. Included are fresh accounts from witnesses who speak publicly about the cases for the first time. Actor Hill Harper, best known for his role on "CSI: NY," hosts.

Crime author and investigator Jax Miller and former police investigator Sarah Cailean tackle a mystery that has stumped authorities for nearly two decades -- the confounding cold case of Lauria Bible and Ashley Freeman, two Oklahoma teenagers who disappeared in December 1999 after the Freeman family trailer was burned to the ground. In the four-part documentary series, the investigators delve into the many strange theories of the case and unravel a much larger story of unsolved murder, allegations of cover-up and corruption, and a truth that proves even more incredible.

Shining a light on the shocking and sometimes heartbreaking stories affecting real people in real towns and cities across America.

"Lies, Crimes & Video" is an eight-part documentary series making viewers privy to the 911 calls, interrogations, jailhouse recordings, body camera, and surveillance videos captured as part of criminal investigations. HLN's true crime series shows the rescue of Kala Brown who is found chained inside a storage container as well as the disturbing images of a killer lurking in the hallways of a church where fitness instructor Missy Bevers is found murdered. This raw docu-series lays bare all of the lies, wrongdoings and shocking behaviors -- all caught on camera.